Colour is an illusion, not part of the real world We think of colour as being a fundamental property of objects in life: green trees, blue sky ... be interpreted by our brain.

Future AI tech machine learning, face outline circuit board and binary data flow on blue ... on green background. Animated white symbol of brain. Concept of idea and creative. Line vector illustration ...

Yes, it's true: The light from a phone, laptop, or other device confuses the brain into thinking it's time to wake up instead of fall asleep. Light from electronic screens comes in all colors, but the ...